40277240 has 32 divisors (see below), whose sum is σ = 92735280. Its totient is φ = 15735552.

The previous prime is 40277231. The next prime is 40277243. The reversal of 40277240 is 4277204.

40277240 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40277243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9989 + ... + 13428.

Almost surely, 2^40277240 is an apocalyptic number.

40277240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40277240 is an abundant number, since it is smaller than the sum of its proper divisors (52458040).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40277240 is a wasteful number, since it uses less digits than its factorization.

40277240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23471 (or 23467 counting only the distinct ones).

The product of its (nonzero) digits is 3136, while the sum is 26.

The square root of 40277240 is about 6346.4352198695. The cubic root of 40277240 is about 342.7834937705.

The spelling of 40277240 in words is "forty million, two hundred seventy-seven thousand, two hundred forty".